Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP9129488UpriorityCriticalpatent/JPH0212660U/ja
Priority to US07/375,788prioritypatent/US5097242A/en
Priority to KR2019890009897Uprioritypatent/KR920008201Y1/ko
Publication of JPH0212660UpublicationCriticalpatent/JPH0212660U/ja